益生股份：祖代引种暂停致父母代鸡苗供给偏紧，价格继续上行

Group 1 - The core viewpoint of the article indicates that the introduction of grandparent white feather broiler chickens in China is expected to decline by over 10% year-on-year by 2025, leading to a tight supply of parent stock chicks and rising prices [1] - The outbreak of avian influenza in France's main production areas during November and December 2025 has resulted in a suspension of the introduction of grandparent meat breeds [1] - Due to the breeding cycle transmission pattern, the reduction in grandparent stock will impact the supply of parent stock chicks approximately seven months later, further tightening supply and increasing prices [1]